MarketNow Registry / Developer Tools / mcp-sieve
mcp-sieve
Semantic tool selection proxy for MCP servers — LLM sees 2 tools instead of dozens
Install
$ pip install mcp-sieveInstalling via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.
How MarketNow scored this
Sentinel Index Heuristics — a security-first estimate from public signals:
- Package age and release activity (stale repositories lose points)
- Verified adoption: registry downloads or GitHub stars, not follower counts
- Typosquat distance against the 150 most-installed MCP packages
- Injection markers scanned in the package description
Heuristic, not a guarantee. For verified agent credentials and revocation, see the MarketNow Trust API.
What is mcp-sieve?
Semantic tool selection proxy for MCP servers — LLM sees 2 tools instead of dozens Indexed by MarketNow with trust 64/100 (Runs registry code).
How do I install it?
Run $ pip install mcp-sieve Installing via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.
What does the trust score mean?
Security-first heuristic over public signals (age, adoption, typosquat distance, injection markers). It is not a popularity ranking and not a guarantee of safety. mcp-sieve scores 64/100.